opfmilk.blogg.se - Validity and reliability in research methods

The teams have been asked to perform tests then the comparison between two different tests performed by both teams A and B has been done and findings reveal the same results which indicate a high parallel form of reliability. Parallel Forms Reliability: It is a measure of the consistency and accuracy in different versions of an assessment tool.įor example, The researcher has designed a Questionnaire for measuring financial risk faced by the organization, all the questions in the questionnaire are categorized into two segments, and participants are also categorized.

As every teacher has applied different criteria for checking the exam paper. And every teacher has allotted different marks to students in a particular subject which represents low inter-rater reliability.

Inter-Rate Reliability: It refers to the extent to which the outcome remains consistent when different researchers perform the same measurement.įor example, Different teachers check the cardiology Exam paper of one student.

After a week the same questionnaire has been distributed and the same answers were given by participants, which shows high reliability. Employers were provided with a questionnaire where they have provided their responses. This means that the measurement tool which you are using generates the same result when a specific test is repeated.įor example, the investigation was performed for measuring the level of job satisfaction among employees.

Test-Retest Reliability: It includes the measurement of consistency over a period of time.There are mainly four types of reliability, as follows: You can also think about it as an ability to have similar results from a study each time you do it. Reliability is a measure of how stable, consistent or repeatable the test scores are. Reliability mainly is the level measures that are consistent. Introduction of Reliability and Validity Definition of Reliability